INSPN276~@C4UYRK@{ZBMNY.png

1501218221(1).jpg

   package slide.azheng.pers.coordinatorlayoutcollapsingtoolbarlayoutnestedscrollview;
   import android.graphics.Color;
   import android.support.design.widget.AppBarLayout;
   import android.support.v7.app.AppCompatActivity;
   import android.os.Bundle;
   import android.view.View;
   import android.widget.LinearLayout;
   import android.widget.TextView;

  public class MainActivity extends AppCompatActivity implements                  AppBarLayout.OnOffsetChangedListener {     private LinearLayout mLinearLayout_shrink;
  private TextView mTextView_name;
  private TextView mTextView_sex;
  private TextView mTextView_year;
  private int mMaskColor;
  private AppBarLayout appbarLayout_behavior;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
  private void initView() {
    appbarLayout_behavior= findViewById(R.id.appbarLayout_behavior);
    mLinearLayout_shrink = findViewById(R.id.mLinearLayout_shrink);
    mTextView_name = findViewById(R.id.mTextView_name);
    mTextView_sex = findViewById(R.id.mTextView_sex);
    mTextView_year = findViewById(R.id.mTextView_year);

    mMaskColor = getResources().getColor(R.color.colorWrite);
    appbarLayout_behavior.addOnOffsetChangedListener(this);
}
   
    initView();
}

//AppBarLayout的监听方法
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
    int offset = Math.abs(verticalOffset);
    int total = appBarLayout.getTotalScrollRange(); //偏移量
    int alphaOut = (255 - offset) < 0 ? 0 : 255 - offset;
    int maskColorOut = Color.argb(alphaOut, Color.red(mMaskColor),
            Color.green(mMaskColor), Color.blue(mMaskColor));
    if (offset <= total * 140 / 200) {
        mLinearLayout_shrink.setVisibility(View.VISIBLE);
    } else {
        mLinearLayout_shrink.setVisibility(View.GONE);
    }
    mTextView_name.setTextColor(maskColorOut);
    mTextView_sex.setHintTextColor(maskColorOut);
    mTextView_year.setTextColor(maskColorOut);
}}

XML

 <?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent">

<android.support.design.widget.AppBarLayout
    android:id="@+id/appbarLayout_behavior"
    android:layout_width="match_parent"
    android:layout_height="200dp"
    android:background="#02A8F3"
    android:fitsSystemWindows="true">

    <android.support.design.widget.CollapsingToolbarLayout
        android:id="@+id/mCollapsingToolbarLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar_backTop"
            android:layout_width="match_parent"
            android:layout_height="56dp"
            android:background="#02A8F3"
            app:layout_collapseMode="pin">

            <TextView
                android:id="@+id/back_toolbar"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="16dp"
                android:text="返回"
                android:textColor="#fff"
                android:textSize="24sp" />

            <TextView
                android:id="@+id/exampaper_name"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="36dp"
                android:text="Title"
                android:textColor="#fff"
                android:textSize="19sp" />

        </android.support.v7.widget.Toolbar>

        <LinearLayout
            android:id="@+id/mLinearLayout_shrink"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="16dp"
            android:layout_marginRight="16dp"
            android:layout_marginTop="90dp"
            android:orientation="vertical"
            app:layout_collapseMode="parallax"
            app:layout_collapseParallaxMultiplier="0.7">

            <TextView
                android:id="@+id/exampaper_description"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="content"
                android:textColor="#fff"
                android:textSize="14sp" />

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="10dp"
                android:layout_marginTop="36dp">


                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_alignParentBottom="true">

                    <TextView
                        android:id="@+id/mTextView_name"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_alignParentLeft="true"
                        android:maxLength="15"
                        android:text="name"
                        android:textColor="#fff"
                        android:textSize="12sp" />

                    <TextView
                        android:id="@+id/mTextView_sex"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true"
                        android:maxLines="1"
                        android:text="男"
                        android:textColor="#fff"
                        android:textSize="12sp" />

                    <TextView
                        android:id="@+id/mTextView_year"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_alignParentRight="true"
                        android:text="13岁"
                        android:textColor="#fff"
                        android:textSize="12sp" />
                </RelativeLayout>
            </RelativeLayout>
        </LinearLayout>
    </android.support.design.widget.CollapsingToolbarLayout>

</android.support.design.widget.AppBarLayout>


<android.support.v4.widget.NestedScrollView
    android:id="@+id/nestedScrollView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior">


    <android.support.v7.widget.RecyclerView
        android:id="@+id/mRecyclerView"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </android.support.v7.widget.RecyclerView>

</android.support.v4.widget.NestedScrollView>


<android.support.design.widget.FloatingActionButton
    android:id="@+id/floatingActionButton"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:fabSize="normal"
    app:layout_anchor="@id/nestedScrollView"
    app:layout_anchorGravity="center_vertical|right|bottom"
    app:pressedTranslationZ="10dp"
    app:rippleColor="@color/colorAccent" />
 </android.support.design.widget.CoordinatorLayout>

NestedScrollView嵌套RecyclerView滑动冲突

 mRecyclerView.setNestedScrollingEnabled(false);  //添加一句这个就好